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Being a leading supplier of trailer parts and accessories, DNL offers various reliable products, including the trailer stand wheel, the jockey jack, and more. Explore our selection of trailer parts and accessories to find exactly what you need!

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Manufacturing trailer parts and accessories for 20+ years

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Trailer parts are sold to 45+ countries at reasonable prices

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Cooperate with 140+ partners worldwide and win accolades

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Consists of 35+ experienced tech experts in our R&D team

About DNL

Qingdao DongLu Industries Ltd. (DNL) is a reputable manufacturer and supplier specializing in trailer parts and accessories. With 20+ years of growth and expertise, we offer a full range of trailer parts such as jockey jacks, trailer stand wheels, manual trailer winches, etc.

Our exceptional quality and service guarantee our trailer parts and accessories can be widely used for a variety of trailers, the agricultural equipment industries, as well as the industrial equipment industries. Most partners trust us for our reliable products and maintain ongoing collaborations to wholesale trailer parts.

High Quality

High-quality materials that meet industry standards to ensure your satisfying user experience


Constantly keep innovative, explore new avenues, and incorporate cutting-edge technology and equipment

Punctual Delivery

Efficient delivery is guaranteed by our super production management and logistics system


Free from material defects in both material and workmanship for one year, ordinary wear and tear expected


Besides being stationed in professional fields, DNL also regularly updates the latest articles in the industry, including trailer parts and accessories, industry trends, etc.

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